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Dearborn Observatory
The Dearborn Observatory is an astronomical observatory located on the Evanston, Illinois, Evanston campus of Northwestern University. The observatory was originally constructed in 1888, through an agreement between the university and the Chicago Astronomical Society. In the summer of 1939, Dearborn Observatory had to be moved to make way for the construction of the Technological Institute. The 1888 observatory is the second Dearborn Observatory, the first had been erected on the Old University of Chicago campus. The observatory is home the Dearborn 18 1/2 inch refractor, which was the largest telescope in the United States in the late 1860s. Due to the complicated history, it was operated from a different site at that time, and the original tube and mounting is at the Adler Planetarium since 1929. The 18 1/2 was used to discover Sirius, Sirius B, a companion to the brightest star in the night sky. The 18 1/2 was the largest telescope in the Americas for many years until the U.S. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alvan Clark & Sons
Alvan Clark & Sons was an American maker of optics that became famous for crafting lenses for some of the largest refracting telescopes of the 19th and early 20th centuries. Founded in 1846 in Cambridgeport, Massachusetts, by Alvan Clark (1804–1887, a descendant of Cape Cod whalers who started as a portrait painter), and his sons George Bassett Clark (1827–1891) and Alvan Graham Clark (1832–1897). Five times, the firm built the largest refracting telescopes in the world. The Clark firm gained "worldwide fame and distribution", wrote one author on astronomy in 1899. The Dearborn telescope (housed successively at the University of Chicago, Northwestern University and Adler Planetarium) was commissioned in 1856 by the University of Mississippi. The outbreak of the Civil War prevented them from ever taking ownership. As a result, it was being tested in Cambridgeport when Alvan Graham observed Sirius B in 1862. In 1873 they built the objective lens for the ref ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
George Washington Hough
George Washington Hough (October 24, 1836 – January 1, 1909) was an American astronomer. Biography George Washington Hough was born in Tribes Hill, New York on October 24, 1836. He discovered 627 double stars and made systematic studies of the surface of Jupiter. He designed and constructed several instruments used in astronomy, meteorology, and physics. From 1862 to 1874, Hough was director of Dudley Observatory, Albany, New York. In 1879 he was appointed professor of astronomy at the University of Chicago. He became the director of Dearborn Observatory when the observatory was moved to Evanston, Illinois. He introduced original plans for the dome and electric control for the telescope. He was elected to the American Philosophical Society The American Philosophical Society (APS), founded in 1743 in Philadelphia, is a scholarly organization that promotes knowledge in the sciences and humanities through research, professional meetings, publications, library resources, an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Astronomer
An astronomer is a scientist in the field of astronomy who focuses their studies on a specific question or field outside the scope of Earth. They observe astronomical objects such as stars, planets, natural satellite, moons, comets and galaxy, galaxies – in either observational astronomy, observational (by analyzing the data) or theoretical astronomy. Examples of topics or fields astronomers study include planetary science, Sun, solar astronomy, the Star formation, origin or stellar evolution, evolution of stars, or the galaxy formation and evolution, formation of galaxies. A related but distinct subject is physical cosmology, which studies the Universe as a whole. Types Astronomers usually fall under either of two main types: observational astronomy, observational and theoretical astronomy, theoretical. Observational astronomers make direct observations of Astronomical object, celestial objects and analyze the data. In contrast, theoretical astronomers create and investigate C ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Richardsonian Romanesque
Richardsonian Romanesque is a style of Romanesque Revival architecture named after the American architect Henry Hobson Richardson (1838–1886). The revival style incorporates 11th and 12th century southern French, Spanish, and Italian Romanesque characteristics. Richardson first used elements of the style in his Richardson Olmsted Complex in Buffalo, New York, designed in 1870. Multiple architects followed in this style in the late 19th century; Richardsonian Romanesque later influenced modern styles of architecture as well. History and development This very free revival style incorporates 11th and 12th century southern French, Spanish and Italian Romanesque characteristics. It emphasizes clear, strong picturesque massing, round-headed "Romanesque" arches, often springing from clusters of short squat columns, recessed entrances, richly varied rustication, blank stretches of walling contrasting with bands of windows, and cylindrical towers with conical caps embedded in the wall ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Limestone
Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms when these minerals precipitate out of water containing dissolved calcium. This can take place through both biological and nonbiological processes, though biological processes, such as the accumulation of corals and shells in the sea, have likely been more important for the last 540 million years. Limestone often contains fossils which provide scientists with information on ancient environments and on the evolution of life. About 20% to 25% of sedimentary rock is carbonate rock, and most of this is limestone. The remaining carbonate rock is mostly dolomite, a closely related rock, which contains a high percentage of the mineral dolomite, . ''Magnesian limestone'' is an obsolete and poorly-defined term used variously for dolomite, for limes ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cobb And Frost
Cobb and Frost was an American architectural firm. Cobb and Frost was founded in Chicago, Illinois by Henry Ives Cobb and Charles Sumner Frost in 1882. The firm was dissolved in 1889 when Cobb began work on designing the Newberry Library. Their most famous building was the Palmer Mansion, designed for Chicago industrialist Potter Palmer. Selected buildings *Palmer Mansion, 1882 *Chicago & North Western Railway Station, Oshkosh, Wisconsin, 1884 *Chicago Opera House, 1884-5 *Chicago & Alton Railway Station, Dwight, Illinois, 1885 * Cable House, 1886 * Chicago & North Western Railway Station, Kenosha, Wisconsin, 1887 * Harriet F. Rees House, 1888 *Dearborn Observatory, 1888 * Union Depot, 201 South Main Street, Leavenworth, Kansas Leavenworth () is the county seat and largest city of Leavenworth County, Kansas, United States and is part of the Kansas City metropolitan area. As of the 2020 census, the population of the city was 37,351. It is located on the west bank of t ..., ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
James B
James is a common English language surname and given name: *James (name), the typically masculine first name James * James (surname), various people with the last name James James or James City may also refer to: People * King James (other), various kings named James * Saint James (other) * James (musician) * James, brother of Jesus Places Canada * James Bay, a large body of water * James, Ontario United Kingdom * James College, York, James College, a college of the University of York United States * James, Georgia, an unincorporated community * James, Iowa, an unincorporated community * James City, North Carolina * James City County, Virginia ** James City (Virginia Company) ** James City Shire * James City, Pennsylvania * St. James City, Florida Arts, entertainment, and media * James (2005 film), ''James'' (2005 film), a Bollywood film * James (2008 film), ''James'' (2008 film), an Irish short film * James (2022 film), ''James'' (2022 film), an Indian Kannada ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
University Of Chicago
The University of Chicago (UChicago, Chicago, U of C, or UChi) is a private research university in Chicago, Illinois. Its main campus is located in Chicago's Hyde Park neighborhood. The University of Chicago is consistently ranked among the best universities in the world and it is among the most selective in the United States. The university is composed of an undergraduate college and five graduate research divisions, which contain all of the university's graduate programs and interdisciplinary committees. Chicago has eight professional schools: the Law School, the Booth School of Business, the Pritzker School of Medicine, the Crown Family School of Social Work, Policy, and Practice, the Harris School of Public Policy, the Divinity School, the Graham School of Continuing Liberal and Professional Studies, and the Pritzker School of Molecular Engineering. The university has additional campuses and centers in London, Paris, Beijing, Delhi, and Hong Kong, as well as in downtown ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Thomas Hoyne
His Honor, the Mayor, Thomas Hoyne, Esquire (February 11, 1817July 27, 1883) was elected Mayor of Chicago in 1876, but his election was later declared null and void by a Circuit Court. Prior to 1876, Hoyne had led a political career in which he had occupied numerous state and municipal offices. Life and career Hoyne moved to Chicago in 1837, where he turned his back on the mercantile life he had been leading and studied law, being admitted to the bar in 1839. He was elected Chicago city clerk in 1840. In 1853, he was appointed United States District Attorney for Illinois. Six years later, he became a US Marshal for the northern district of Illinois. In 1863, Hoyne traveled to New York and then to Boston to acquire a lens for a telescope for the University of Chicago. In Boston, he met with Alvan Clark and purchased an 18½-inch lens and mounting for the Dearborn Observatory, at the time, the largest refracting telescope ever built. By 1866, he became one of the founding me ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chicago
(''City in a Garden''); I Will , image_map = , map_caption = Interactive Map of Chicago , coordinates = , coordinates_footnotes = , subdivision_type = Country , subdivision_name = United States , subdivision_type1 = State , subdivision_type2 = Counties , subdivision_name1 = Illinois , subdivision_name2 = Cook and DuPage , established_title = Settled , established_date = , established_title2 = Incorporated (city) , established_date2 = , founder = Jean Baptiste Point du Sable , government_type = Mayor–council , governing_body = Chicago City Council , leader_title = Mayor , leader_name = Lori Lightfoot ( D) , leader_title1 = City Clerk , leader_name1 = Anna Valencia ( D) , unit_pref = Imperial , area_footnotes = , area_tot ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Harvard University
Harvard University is a private Ivy League research university in Cambridge, Massachusetts. Founded in 1636 as Harvard College and named for its first benefactor, the Puritan clergyman John Harvard, it is the oldest institution of higher learning in the United States and one of the most prestigious and highly ranked universities in the world. The university is composed of ten academic faculties plus Harvard Radcliffe Institute. The Faculty of Arts and Sciences offers study in a wide range of undergraduate and graduate academic disciplines, and other faculties offer only graduate degrees, including professional degrees. Harvard has three main campuses: the Cambridge campus centered on Harvard Yard; an adjoining campus immediately across Charles River in the Allston neighborhood of Boston; and the medical campus in Boston's Longwood Medical Area. Harvard's endowment is valued at $50.9 billion, making it the wealthiest academic institution in the world. Endowment inco ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
